#1965 Dans le module Inventaire, des commandes passées en caisse ne sont pas impactées dans les stocks

See merge request !19

add points instead of forcing points counter when unbsuscribing partner

See merge request !18

Renaud/989 shift update bug

See merge request !17

#1730 : Add listener on shift_template_registration_line to fit cooperative_state with cooperative rules

Do not allow changing the start or end *date* of a shift template because shift update won't work as expected. Changing times is still allowed.

Change to consider shift_type in LaCagette Membership, instead of admitting everybody has subscribed ftop type shift templates